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Workers should keep an eye on visual discomfort when using computers, according to Humantech.

Glare or bright spots on a computer screen from light sources is considered to be one of the major factors in eye discomfort. The source can be due to discomfort glare, when a computer user completes a task with some discomfort, or disabling glare, when the bright spot is so intense that workers take their eyes off the screen.

Control the effects of glare on the computer monitor by relocating it to an area where glare is minimized, placing it on a tilt-and-swivel stand and positioning it to minimize glare, adjusting the monitor's contrast and brightness controls or using a glare screen or glare hood.